From: Andrew Donnellan <ajd@linux.ibm.com>
To: linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org,
Pasha Tatashin <pasha.tatashin@soleen.com>,
Andrew Morton <akpm@linux-foundation.org>,
Madhavan Srinivasan <maddy@linux.ibm.com>,
Nicholas Piggin <npiggin@gmail.com>,
Rohan McLure <rmclure@nvidia.com>,
Christophe Leroy <chleroy@kernel.org>
Cc: Alexandre Ghiti <alex@ghiti.fr>,
x86@kernel.org, Nicholas Miehlbradt <nicholas@linux.ibm.com>,
Sweet Tea Dorminy <sweettea-kernel@dorminy.me>,
Andrew Donnellan <andrew+kernel@donnellan.id.au>,
Srish Srinivasan <ssrish@linux.ibm.com>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org
Subject: [PATCH v18 01/12] arm64/mm: Add addr parameter to __set_ptes_anysz()
Date: Fri, 19 Dec 2025 04:09:33 +1100 [thread overview]
Message-ID: <20251219-pgtable_check_v18rebase-v18-1-755bc151a50b@linux.ibm.com> (raw)
In-Reply-To: <20251219-pgtable_check_v18rebase-v18-0-755bc151a50b@linux.ibm.com>
To provide support for page table check on powerpc, we need to reinstate the
address parameter in several functions, including
page_table_check_{ptes,pmds,puds}_set().
In preparation for this, add the addr parameter to arm64's __set_ptes_anysz()
and change its callsites accordingly.
Signed-off-by: Andrew Donnellan <ajd@linux.ibm.com>
---
v15: new patch
v16: rebase
---
arch/arm64/include/asm/pgtable.h | 19 ++++++++-----------
arch/arm64/mm/hugetlbpage.c | 10 +++++-----
2 files changed, 13 insertions(+), 16 deletions(-)
diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h
index 445e18e92221c98eef717888aeac71d1d6b1da06..52f3ea07427cef399e68bea0dbab39d03ea83060 100644
--- a/arch/arm64/include/asm/pgtable.h
+++ b/arch/arm64/include/asm/pgtable.h
@@ -673,8 +673,8 @@ static inline pgprot_t pud_pgprot(pud_t pud)
return __pgprot(pud_val(pfn_pud(pfn, __pgprot(0))) ^ pud_val(pud));
}
-static inline void __set_ptes_anysz(struct mm_struct *mm, pte_t *ptep,
- pte_t pte, unsigned int nr,
+static inline void __set_ptes_anysz(struct mm_struct *mm, unsigned long addr,
+ pte_t *ptep, pte_t pte, unsigned int nr,
unsigned long pgsize)
{
unsigned long stride = pgsize >> PAGE_SHIFT;
@@ -709,26 +709,23 @@ static inline void __set_ptes_anysz(struct mm_struct *mm, pte_t *ptep,
__set_pte_complete(pte);
}
-static inline void __set_ptes(struct mm_struct *mm,
- unsigned long __always_unused addr,
+static inline void __set_ptes(struct mm_struct *mm, unsigned long addr,
pte_t *ptep, pte_t pte, unsigned int nr)
{
- __set_ptes_anysz(mm, ptep, pte, nr, PAGE_SIZE);
+ __set_ptes_anysz(mm, addr, ptep, pte, nr, PAGE_SIZE);
}
-static inline void __set_pmds(struct mm_struct *mm,
- unsigned long __always_unused addr,
+static inline void __set_pmds(struct mm_struct *mm, unsigned long addr,
pmd_t *pmdp, pmd_t pmd, unsigned int nr)
{
- __set_ptes_anysz(mm, (pte_t *)pmdp, pmd_pte(pmd), nr, PMD_SIZE);
+ __set_ptes_anysz(mm, addr, (pte_t *)pmdp, pmd_pte(pmd), nr, PMD_SIZE);
}
#define set_pmd_at(mm, addr, pmdp, pmd) __set_pmds(mm, addr, pmdp, pmd, 1)
-static inline void __set_puds(struct mm_struct *mm,
- unsigned long __always_unused addr,
+static inline void __set_puds(struct mm_struct *mm, unsigned long addr,
pud_t *pudp, pud_t pud, unsigned int nr)
{
- __set_ptes_anysz(mm, (pte_t *)pudp, pud_pte(pud), nr, PUD_SIZE);
+ __set_ptes_anysz(mm, addr, (pte_t *)pudp, pud_pte(pud), nr, PUD_SIZE);
}
#define set_pud_at(mm, addr, pudp, pud) __set_puds(mm, addr, pudp, pud, 1)
diff --git a/arch/arm64/mm/hugetlbpage.c b/arch/arm64/mm/hugetlbpage.c
index 1d90a7e753336d86314fee0f753e8779d6a6bc12..1003b502075208d4252c27ffdacb1aaf4928639b 100644
--- a/arch/arm64/mm/hugetlbpage.c
+++ b/arch/arm64/mm/hugetlbpage.c
@@ -225,8 +225,8 @@ void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
ncontig = num_contig_ptes(sz, &pgsize);
if (!pte_present(pte)) {
- for (i = 0; i < ncontig; i++, ptep++)
- __set_ptes_anysz(mm, ptep, pte, 1, pgsize);
+ for (i = 0; i < ncontig; i++, ptep++, addr += pgsize)
+ __set_ptes_anysz(mm, addr, ptep, pte, 1, pgsize);
return;
}
@@ -234,7 +234,7 @@ void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
if (pte_cont(pte) && pte_valid(__ptep_get(ptep)))
clear_flush(mm, addr, ptep, pgsize, ncontig);
- __set_ptes_anysz(mm, ptep, pte, ncontig, pgsize);
+ __set_ptes_anysz(mm, addr, ptep, pte, ncontig, pgsize);
}
pte_t *huge_pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma,
@@ -449,7 +449,7 @@ int huge_ptep_set_access_flags(struct vm_area_struct *vma,
if (pte_young(orig_pte))
pte = pte_mkyoung(pte);
- __set_ptes_anysz(mm, ptep, pte, ncontig, pgsize);
+ __set_ptes_anysz(mm, addr, ptep, pte, ncontig, pgsize);
return 1;
}
@@ -473,7 +473,7 @@ void huge_ptep_set_wrprotect(struct mm_struct *mm,
pte = get_clear_contig_flush(mm, addr, ptep, pgsize, ncontig);
pte = pte_wrprotect(pte);
- __set_ptes_anysz(mm, ptep, pte, ncontig, pgsize);
+ __set_ptes_anysz(mm, addr, ptep, pte, ncontig, pgsize);
}
pte_t huge_ptep_clear_flush(struct vm_area_struct *vma,
--
2.52.0
next prev parent reply other threads:[~2025-12-18 17:10 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-18 17:09 [PATCH v18 00/12] Support page table check on PowerPC Andrew Donnellan
2025-12-18 17:09 ` Andrew Donnellan [this message]
2025-12-18 17:49 ` [PATCH v18 01/12] arm64/mm: Add addr parameter to __set_ptes_anysz() Pasha Tatashin
2025-12-18 17:09 ` [PATCH v18 02/12] arm64/mm: Add addr parameter to __ptep_get_and_clear_anysz() Andrew Donnellan
2025-12-18 17:49 ` Pasha Tatashin
2025-12-18 17:09 ` [PATCH v18 03/12] mm/page_table_check: Reinstate address parameter in [__]page_table_check_pud[s]_set() Andrew Donnellan
2025-12-18 17:09 ` [PATCH v18 04/12] mm/page_table_check: Reinstate address parameter in [__]page_table_check_pmd[s]_set() Andrew Donnellan
2025-12-18 17:09 ` [PATCH v18 05/12] mm/page_table_check: Provide addr parameter to page_table_check_ptes_set() Andrew Donnellan
2025-12-18 17:09 ` [PATCH v18 06/12] mm/page_table_check: Reinstate address parameter in [__]page_table_check_pud_clear() Andrew Donnellan
2025-12-18 17:09 ` [PATCH v18 07/12] mm/page_table_check: Reinstate address parameter in [__]page_table_check_pmd_clear() Andrew Donnellan
2025-12-18 17:09 ` [PATCH v18 08/12] mm/page_table_check: Reinstate address parameter in [__]page_table_check_pte_clear() Andrew Donnellan
2025-12-18 17:09 ` [PATCH v18 09/12] mm: Provide address parameter to p{te,md,ud}_user_accessible_page() Andrew Donnellan
2025-12-18 17:09 ` [PATCH v18 10/12] powerpc/mm: Implement *_user_accessible_page() for ptes Andrew Donnellan
2025-12-18 17:09 ` [PATCH v18 11/12] powerpc/mm: Use set_pte_at_unchecked() for internal usages Andrew Donnellan
2025-12-18 17:09 ` [PATCH v18 12/12] powerpc/mm: Support page table check Andrew Donnellan
2025-12-18 17:55 ` [PATCH v18 00/12] Support page table check on PowerPC Pasha Tatashin
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